Y2CH5 Radians Flashcards by Harvey Pambaya | Brainscape

Q

1 radian =

A

180/ pi

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Q

How do you convert 360 into radians

A

360 * pi/180

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Q

Equation of arc length

A

L = r * theta

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Q

Area of sector

A

A = 1/2 r^2 * theta

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Q

Area of segment

A

Area of sector - area of triangle

1/2 r^2 theta - 1/2 r^2 sin

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Q

Small angle approximations of
cos4x

A

1 - ((4x)^2/2)

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Q

A

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